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Physical and Chemical Properties of Hydrogen

What is the o...

Question

What is the oxidation no. of Cr in CrO5?

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Solution

Since Cr has only five electrons in 3d orbitals and one electron in 4s orbital. This exceptional value is due to the fact that four oxygen atoms in CrO5 are in peroxide linkage. The chemical structure of CrO5 is. or x–2–4 =0 or x = + 6.

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